398475610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 790675200

約数和(自身を除く): 392199590

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 199, 211, 365, 398, 422, 730, 949, 995, 1055, 1898, 1990, 2110, 2587, 2743, 4745, 5174, 5486, 9490, 12935, 13715, 14527, 15403, 25870, 27430, 29054, 30806, 41989, 72635, 77015, 83978, 145270, 154030, 188851, 200239, 209945, 377702, 400478, 419890, 545857, 944255, 1001195, 1091714, 1888510, 2002390, 2729285, 3065197, 5458570, 6130394, 15325985, 30651970, 39847561, 79695122, 199237805, 398475610]

約数ペア:

[(1, 398475610), (2, 199237805), (5, 79695122), (10, 39847561), (13, 30651970), (26, 15325985), (65, 6130394), (73, 5458570), (130, 3065197), (146, 2729285), (199, 2002390), (211, 1888510), (365, 1091714), (398, 1001195), (422, 944255), (730, 545857), (949, 419890), (995, 400478), (1055, 377702), (1898, 209945), (1990, 200239), (2110, 188851), (2587, 154030), (2743, 145270), (4745, 83978), (5174, 77015), (5486, 72635), (9490, 41989), (12935, 30806), (13715, 29054), (14527, 27430), (15403, 25870)]